Shop › ODIN WORKS .936 LOW PRO ADJ GAS BLCK ODIN WORKS .936 LOW PRO ADJ GAS BLCK $84.55 Odin Works Adjustable Low Profile Gas Block, Fits .936" Diameter Barrels, Nitride Finish, Black GB-ADJ-.936 Quantity: Add To Cart Added! Odin Works Adjustable Low Profile Gas Block, Fits .936" Diameter Barrels, Nitride Finish, Black GB-ADJ-.936